Question by aplerdal01 · Dec 09, 2021 at 08:30 AM · error error message

Unity cannot find bat files when opening

When I open up unity, I get the following error

     Win32Exception: ApplicationName='C:\Program Files\Unity 2020.3.24f1\Editor\Data\Tools\RoslynScripts\unity_csc.bat', CommandLine='/noconfig @Temp/UnityTempFile-ed4462b2f8c0f924db7f16aaea9b8cf0', CurrentDirectory='', Native error= The system cannot find the file specified.
     
     System.Diagnostics.Process.StartWithCreateProcess (System.Diagnostics.ProcessStartInfo startInfo) (at <0463b2ef957545c0a51b42f372cd4fbb>:0)
     System.Diagnostics.Process.Start () (at <0463b2ef957545c0a51b42f372cd4fbb>:0)
     (wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start()
     UnityEditor.Utils.Program.Start (System.EventHandler exitCallback) (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Utils.Program.Start () (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.Compilers.MicrosoftCSharpCompiler.BeginCompiling () (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.CompilationTask.QueuePendingAssemblies () (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.CompilationTask.Poll () (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.EditorCompilation.CompileScriptAssemblies (UnityEditor.Scripting.ScriptCompilation.ScriptAssembly[] scriptAssemblies, UnityEditor.Scripting.ScriptCompilation.ScriptAssemblySettings scriptAssemblySettings, System.String tempBuildDirectory, UnityEditor.Scripting.ScriptCompilation.CompilationTaskOptions compilationTaskOptions, UnityEditor.Scripting.ScriptCompilation.EditorCompilation+CompileScriptAssembliesOptions compileScriptAssembliesOptions) (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.EditorCompilation.CompileScriptsWithSettings (UnityEditor.Scripting.ScriptCompilation.ScriptAssemblySettings scriptAssemblySettings, System.String tempBuildDirectory, UnityEditor.Scripting.ScriptCompilation.TargetAssembly[]& notCompiledTargetAssemblies, System.String[]& notCompiledScripts, UnityEditor.Scripting.ScriptCompilation.CompilationTaskOptions compilationTaskOptions) (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.EditorCompilation.CompileScripts (UnityEditor.Scripting.ScriptCompilation.EditorScriptCompilationOptions editorScriptCompilationOptions, UnityEditor.BuildTargetGroup platformGroup, UnityEditor.BuildTarget platform, System.String[] extraScriptingDefines, UnityEditor.Scripting.ScriptCompilation.CompilationTaskOptions compilationTaskOptions) (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.EditorCompilationInterface+<>c__DisplayClass39_0.<CompileScriptsNoStop>b__0 () (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.EditorCompilationInterface.EmitExceptionAsError[T] (System.Func`1[TResult] func, T returnValue) (at <bbfbd5a71eea45d1a1354233c800516b>:0)
     UnityEditor.Scripting.ScriptCompilation.EditorCompilationInterface:CompileScriptsNoStop(EditorScriptCompilationOptions, BuildTargetGroup, BuildTarget, String[])

I have tried the following in order to fix this